condition	mean	min	max
3 h after light	21.027033333333332	17.2842	27.5818
6 h after light	12.035663333333334	7.76049	18.2454
9 h after light	11.403316666666667	6.51225	16.5957
12 h after light	14.14472	9.03864	23.7164
3 h after dark	22.088333333333335	19.6675	23.4255
6 h after dark	16.2437	14.2441	19.5809
9 h after dark	14.4772	10.6149	18.0142
12 h after dark	19.4767	18.9516	20.0018